Table 2 AUCs of prediction models based on different training sample sizes and multiple sampling times
From: Factors affecting the performance of brain arteriovenous malformation rupture prediction models
Algorithm | LR | RF | p value | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Training sample size/test sample size | 140/213 | 175/178 | 210/143 | 245/108 | 280/73 | 140/213 | 175/178 | 210/143 | 245/108 | 280/73 | |
Sampling times_1-1 [mean (SD)] | 0.67 (NA) | 0.67 (NA) | 0.70 (NA) | 0.61 (NA) | 0.75 (NA) | 0.63 (NA) | 0.76 (NA) | 0.65 (NA) | 0.62 (NA) | 0.76 (NA) | < 0.001 |
Sampling times_1-2 [mean (SD)] | 0.69 (NA) | 0.73 (NA) | 0.75 (NA) | 0.68 (NA) | 0.80 (NA) | 0.69 (NA) | 0.70 (NA) | 0.77 (NA) | 0.69 (NA) | 0.73 (NA) | |
Sampling times_1-3 [mean (SD)] | 0.70 (NA) | 0.69 (NA) | 0.69 (NA) | 0.77 (NA) | 0.57 (NA) | 0.67 (NA) | 0.70 (NA) | 0.66 (NA) | 0.64 (NA) | 0.58 (NA) | |
Sampling times_1-4 [mean (SD)] | 0.63 (NA) | 0.68 (NA) | 0.71 (NA) | 0.68 (NA) | 0.68 (NA) | 0.70 (NA) | 0.68 (NA) | 0.66 (NA) | 0.72 (NA) | 0.72 (NA) | |
Sampling times_5 [mean (SD)] | 0.69 (0.028) | 0.71 (0.025) | 0.71 (0.041) | 0.70 (0.057) | 0.71 (0.058) | 0.66 (0.024) | 0.68 (0.028) | 0.71 (0.037) | 0.66 (0.050) | 0.63 (0.031) | |
Sampling times_10 [mean (SD)] | 0.70 (0.021) | 0.70 (0.019) | 0.70 (0.091) | 0.71 (0.038) | 0.71 (0.049) | 0.68 (0.035) | 0.67 (0.030) | 0.68 (0.042) | 0.68 (0.044) | 0.67 (0.020) | |
Sampling times_50 [mean (SD)] | 0.71 (0.029) | 0.70 (0.036) | 0.70 (0.040) | 0.72 (0.042) | 0.72 (0.061) | 0.68 (0.033) | 0.69 (0.038) | 0.68 (0.035) | 0.68 (0.043) | 0.69 (0.058) | |
Sampling times_100 [mean (SD)] | 0.70 (0.029) | 0.70 (0.032) | 0.71 (0.040) | 0.71 (0.045) | 0.71 (0.063) | 0.68 (0.028) | 0.69 (0.036) | 0.68 (0.044) | 0.68 (0.045) | 0.68 (0.061) | |
Sampling times_300 [mean (SD)] | 0.70 (0.033) | 0.71 (0.032) | 0.70 (0.038) | 0.71 (0.046) | 0.71 (0.062) | 0.68 (0.027) | 0.69 (0.034) | 0.68 (0.038) | 0.68 (0.043) | 0.67 (0.059) | |
Sampling times_600 [mean (SD)] | 0.70 (0.033) | 0.71 (0.033) | 0.71 (0.038) | 0.71 (0.047) | 0.71 (0.061) | 0.68 (0.027) | 0.69 (0.032) | 0.68 (0.037) | 0.68 (0.047) | 0.68 (0.062) | |
Sampling times_1200 [mean (SD)] | 0.70 (0.033) | 0.70 (0.033) | 0.71 (0.038) | 0.71 (0.044) | 0.71 (0.061) | 0.68 (0.028) | 0.68 (0.033) | 0.68 (0.039) | 0.68 (0.044) | 0.68 (0.059) | |
Sampling times_2100 [mean (SD)] | 0.70 (0.033) | 0.70 (0.033) | 0.71 (0.037) | 0.71 (0.046) | 0.71 (0.060) | 0.68 (0.027) | 0.69 (0.032) | 0.68 (0.039) | 0.68 (0.047) | 0.68 (0.059) | |